Pressure Conversion Table

Pressure Unit Conversion Table & Chart

Use this pressure conversion table chart to convert pressure units. To use the chart, find the unit of pressure you want to convert in the left hand column and multiply it by the value in the corresponding pressure unit column.

The handy pressure converter table is used for converting pressure units fast and easily in the lab or in the classrom. All you need is a calculator. 

This chart is available in downloadable format for printing and republishing with a reference back to this page.

 

  kPa bar atm Torr psi mmHg
kPa 1 0.01 0.00987 7.5 0.146 7.5
cm3 100 1 0.987 750.06 14.504 750.06
m3 101.325 1.013 1 760 14.696 760
in3 0.133 0.00133 0.00132 1 0.0193 1
ft3 6.895 0.069 0.068 51.715 1 51.715
yd3 0.133 0.0013 0.0013 1 0.0193 1

Pressure Conversion Multiplication Chart

This expanded pressure conversion chart lists all conversion formulas for pressure units. This chart is available to download in PDF format.

 

Convert From To Multiply by Convert From To Multiply by
bar psi 14.5 micron (μ) psi 0.00019337
bar in. of H20 401.47 micron (μ) in. of H2O 0.0053525
bar in. of Hg 29.53 micron (μ) in. of Hg 0.0003937
bar kPa 100 micron (μ) kPa 0.0013332
bar mbar 1000 micron (μ) mbar 0.013332
bar cm of H20 1019.73 micron (μ) cm of H2O 0.013595
bar mm of Hg 750.06 micron (μ) mm of Hg 0.001
in. of H20 psi 0.036127 mm of Hg psi 0.019337
in. of H20 in. of Hg 0.073554 mm of Hg in. of H2O 0.53525
in. of H20 kPa 0.2491 mm of Hg in. of Hg 0.03937
in. of H20 mbar 2.491 mm of Hg kPa 0.13332
in. of H20 cm of H20 2.54 mm of Hg mbar 1.3332
in. of H20 mm of Hg 1.8683 mm of Hg cm of H2O 1.3595
in. of Hg psi 0.4912 psi in. of H2O 27.68
in. of Hg in. of H20 13.596 psi in. of Hg 2.036
in. of Hg kPa 3.3864 psi kPa 6.8947
in. of Hg mbar 33.864 psi mbar 68.947
in. of Hg cm of H20 34.532 psi cm of H2O 70.308
in. of Hg mm of Hg 25.4 psi mm of Hg 51.715
kPa psi 0.14504 torr psi 0.019337
kPa in. of H20 4.0147 torr in. of H2O 0.53525
kPa in. of Hg 0.2953 torr in. of Hg 0.03937
kPa mbar 10 torr kPa 0.13332
kPa cm of H20 10.1973 torr mbar 1.3332
kPa mm of Hg 7.5006 torr cm of H2O 1.3595
mbar psi 0.0145 torr mm of Hg 1
mbar in. of H20 0.40147      
mbar in. of Hg 0.02953      
mbar kPa 0.1      
mbar cm of H20 1.01973      
mbar mm of Hg 0.75006      
Related Links